10,861 questions with C#-related tags

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1 answer One of the answers was accepted by the question author.

How to Store AES Encryption Keys Securely in Windows Application?

Hello I am doing AES encryption in an application I developed in Windows. For this, I need to store Key and IV values ​​securely. What method is used for this? If these values ​​are not present at the start of the application, I am thinking of…

C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-20T07:12:29.34+00:00
fatih uyanık 100 Reputation points
commented 2024-09-20T12:59:11.1933333+00:00
Jiale Xue - MSFT 44,761 Reputation points Microsoft Vendor
2 answers One of the answers was accepted by the question author.

How Can I fix lParam pointer Error in Pinvoke/Win32 ?

Hi there, currently I need to dig up some Win32 code which is a part of my project, Actually, it's a part of my WPF application where access Win32 APIs using the traditional Pinvoke method. But Currently I facing some error at lParam pointer…

Windows API - Win32
Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
2,595 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
C++
C++
A high-level, general-purpose programming language, created as an extension of the C programming language, that has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.
3,697 questions
asked 2024-09-18T11:32:18.04+00:00
MERUN KUMAR MAITY 596 Reputation points
accepted 2024-09-20T11:41:04.6933333+00:00
MERUN KUMAR MAITY 596 Reputation points
1 answer

How can I upload x86 and x64 directories to github?

HelloBa I uploaded my project to github. However, I created a Lib folder in the directory where the project file is located. There are x86 and x64 folders in it. This directory is not uploaded to the repository. How can I include this directory and its…

C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-08-26T16:46:05.5266667+00:00
fatih uyanık 100 Reputation points
edited the question 2024-09-20T07:47:57.1233333+00:00
Rakesh Gurram 7,160 Reputation points Microsoft Vendor
1 answer

Explain The C# Code

using System; using System.Collections.Generic; using System.Linq; public class Program { public static void Main() { Console.WriteLine("Hello World"); var nums = new List

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,812 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-19T13:04:31.2266667+00:00
Adish Jain 0 Reputation points
edited the question 2024-09-20T07:40:05.2966667+00:00
Rakesh Gurram 7,160 Reputation points Microsoft Vendor
1 answer One of the answers was accepted by the question author.

Unable to make full screen splash in .NET MAUI

How can I make splash to display in full screen instead of just at the center of the mobile screen in .NET MAUI? I've tried different base sizes, but not working. Target android version up-to 13. <ItemGroup> <MauiSplashScreen…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
3,433 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
806 questions
asked 2024-06-11T04:27:11.4933333+00:00
Md Mosabbir Alam 20 Reputation points
commented 2024-09-20T05:51:06.8+00:00
Md Mosabbir Alam 20 Reputation points
2 answers One of the answers was accepted by the question author.

Problem with DisableProcessing()

I'm trying to prevent a control from being rendered in Wpf because it takes too long to process the items. Since I haven't been able to achieve this, I'm now trying to prevent the screen Form from being rendered. After doing…

C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-19T01:36:18.99+00:00
zequion 441 Reputation points
accepted 2024-09-20T04:29:40.9933333+00:00
zequion 441 Reputation points
3 answers

how to return value from popup table to the C# asp.net code

Hi, On clicking a button on UI, we have to show a dialog or Popup Table on the center of the screen asking user to enter integer value of area(Mandatory) when one condition is met, then user clicks Ok(which has captureAreaVal() function in my script as…

ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,465 questions
JavaScript API
JavaScript API
An Office service that supports add-ins to interact with objects in Office client applications.
979 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-08-29T14:32:28.9533333+00:00
VG 0 Reputation points
commented 2024-09-20T02:31:15.5+00:00
Lan Huang-MSFT 29,246 Reputation points Microsoft Vendor
1 answer

DateTime.ParseExact returns today if date string and format are set to "General"

During troubleshooting, I came across this weird behaviour which occurs when parsing text to create a DateTime object in C# (in .Net Core 8.0). Can anybody explain why the following statements return today's date when I would have expected them to…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,812 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-06T11:47:07.03+00:00
Shola Ogunde 0 Reputation points
commented 2024-09-20T02:29:34.05+00:00
Jiachen Li-MSFT 31,011 Reputation points Microsoft Vendor
2 answers

Connection Manager not getting Iniialized

Hi, I'm currently writing a C# code in Script Component which is making a connection to MSSQL DB using ADO.NET Connection Manager. But it returns a NullReferenceException every time when I run it. I have tried the sample code as mentioned in the link …

SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
13,716 questions
SQL Server Integration Services
SQL Server Integration Services
A Microsoft platform for building enterprise-level data integration and data transformations solutions.
2,568 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-04T15:02:14.76+00:00
Mittal, Umang 0 Reputation points
commented 2024-09-20T02:05:21.0666667+00:00
Jiachen Li-MSFT 31,011 Reputation points Microsoft Vendor
2 answers

Unable to fetch some group properties via C# SDK

I am trying to fetch groups via graph api and get resourceBehaviorOptions and resourceProvisioningOptions properties. Eventhough these properties exist in the direct graph api response, I am unable to find them when I use c# graph SDK. I can see these…

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
11,911 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-13T04:16:44.4666667+00:00
Yasitha Pandithawatta 141 Reputation points
answered 2024-09-19T23:35:17.5066667+00:00
Yasitha Pandithawatta 141 Reputation points
2 answers

All Toolbox Options Greyed in Visual Studio 2022

I have recently upgraded my WinForm C# application from .Net 4.7.x to .Net 6 I wish to make a change to one of the Forms, however when I try to add any control to any form, I find that all options are greyed out in the Toolbox, so I can modify any of the…

Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,885 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-04-20T11:10:48.4966667+00:00
Tony Hedge 6 Reputation points
answered 2024-09-19T19:27:22.0166667+00:00
JohnKarajim 0 Reputation points
2 answers

How to get current User outside of Controller in another layer

In ASP.NET Core 6, I need to get the current user in service layer This is code: public class ServiceModel { private readonly IHttpContextAccessor accessor; public ServiceModel(IHttpContextAccessor accessor) { this.accessor =…

Entity Framework Core
Entity Framework Core
A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
739 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,812 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,530 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-18T22:15:23.81+00:00
mostafa ahmed 41 Reputation points
answered 2024-09-19T17:41:23.7666667+00:00
Bruce (SqlWork.com) 64,651 Reputation points
1 answer

the sample console app from the emulator to create a database is throwing error

Hello, I'm downloaded and trying to execute the sample console app for database creation for Azure cosmos emulator. However it throwing me the below error. IOException: Unable to read data from the transport connection: The I/O operation has been…

Azure Cosmos DB
Azure Cosmos DB
An Azure NoSQL database service for app development.
1,619 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-17T00:57:58.1266667+00:00
Divya Ravindran 0 Reputation points
commented 2024-09-19T16:54:48.0266667+00:00
Sai Raghunadh M 150 Reputation points Microsoft Vendor
1 answer

using readAllBytes throws "file not accessible error"

I trying to read an encrypted file using the following: and getting access not allowed error. // would prefer to use the following instead of picker" // AuthFile = @"C:\vbscripts\pid.txt"; // if…

Universal Windows Platform (UWP)
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-11T21:45:09.99+00:00
tim 160 Reputation points
commented 2024-09-19T08:30:42.84+00:00
Roy Li - MSFT 33,091 Reputation points Microsoft Vendor
1 answer

c# UWP resource directory DataTemplate with x:DataType not working

HI, using VS2022 UWP c# I am trying to put a DataTemplate into a ResourceDictionary using a x:DataType I get a compile error Severity Code Description Project File Line Suppression State Error The XAML Binary Format (XBF) generator reported syntax…

Universal Windows Platform (UWP)
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-12T14:45:36.5366667+00:00
Paul Ryan 321 Reputation points
commented 2024-09-19T08:28:47.2766667+00:00
Roy Li - MSFT 33,091 Reputation points Microsoft Vendor
0 answers

Graph API and Announcing mandatory multi-factor authentication for Azure sign-in

How to avoid having problems with: getting the presence of Teams user using graph api. In C# by using access token for webchat. I do not want to get effected by the MFA forcing. In other words: How to bypass MFA for multi-tenant azure app using graph…

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
11,911 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
21,519 questions
asked 2024-09-17T17:11:44.76+00:00
Rihamf 0 Reputation points
edited the question 2024-09-19T07:53:48.3+00:00
Rihamf 0 Reputation points
2 answers

when get data from procedure exist on PostgreSQL it show not exist although it exist?

I create stored procedure on PostgreSQL as below CREATE OR REPLACE PROCEDURE app_sec."app_perm_sp_pkg$get_all_tenants"( IN p_tenant_cur refcursor, OUT p_status integer, OUT p_status_desc text) I try to get data by call sp from PostgreSQL…

ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,465 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-16T20:41:42.9366667+00:00
Ahmed Salah 0 Reputation points
answered 2024-09-18T18:37:19.37+00:00
Bruce (SqlWork.com) 64,651 Reputation points
1 answer

Read and save data from C# app onto SharePoint

For security reasons, our business is required to maintain a visitor control log to track when external guests enter and leave the premises. When our infrastructure used to have on-prem file/storage servers, I had written a simple app that enabled the…

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
11,911 questions
SharePoint
SharePoint
A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.
10,608 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2022-05-09T10:04:28.383+00:00
Thomas Lu 1 Reputation point
commented 2024-09-18T17:19:05.4033333+00:00
Ayinapurapu, Vinaydeep 20 Reputation points
1 answer One of the answers was accepted by the question author.

Call backgroundWorker

I creating simple permutation code using c# app. Now I want to display a simple progressbar. Now if the program execute I want to check if the background is busy else I call the backgroundworker and show how many percent remaining. The code below I call…

Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
5,061 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-09-09T12:44:37.9333333+00:00
YUI-012 20 Reputation points
accepted 2024-09-18T13:03:48.3066667+00:00
YUI-012 20 Reputation points
2 answers

I got two error in the MAUI project when I try to run the project

Below I attached the error message and screenshot: Severity Code Description Project File Line Suppression State Error APPX0002 Task 'WinAppSdkGenerateAppxPackageRecipe' failed. The specified module could not be…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
3,433 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,861 questions
asked 2024-01-31T11:13:00.39+00:00
Manash Dholey 0 Reputation points
answered 2024-09-18T12:13:17.5233333+00:00
Sal Scozzari 0 Reputation points